Exterior Door Height Off Floor

Setting a door at 1 2 for a 2 6 wide door provides 15sq.
Exterior door height off floor. You can get them in either 5 8 3 4 or 1 heights. Height of exterior lighting fixtures. Inches of return air as most air returns are outside the bedrooms. I was just looking at exterior door thresholds today.
Most entry door frames have a piece of lumber below the door and combined with the metal threshold will raise the base of the door off the concrete or wood sub floor by approximately 1 1 4 inches as shown in figure 2. Figure 2 floor relative to entry door. Glass doors by definition in the iecc are considered to be those which are more than 50 percent glass in area. The floor or landing at the exterior door shall not be more than 1 5 inches 38 mm lower than the top of the threshold.
I plan to cut the door in order to accommodate a new higher threshold wstrip. The u factor requirements discussed above for vertical fenestration also apply to exterior glass doors. Usually at between 65 and 67 inches above the ground or porch floor. How to determine hinge spacing on a door.
2018 irc section r311 3 1 restricts threshold height a required exit door in residences to 1 inches from the top of the the threshold to the floor or landing on each side of the door. On the inside of the entry door finished flooring is laid on the concrete or wood sub. In my case the door and threshold are the same level. If the door is already hung then you choose the height that works best with your current flooring.
Most bedroom hvac vents are 4 x 10 at least out west providing 40 square inches of air supply. Interior door height off floor. There shall be a floor or landing on each side of each exterior door. Any other exterior door has a threshold height limited to 7 inches.
The landing shall be permitted to have a slope not to exceed 0 25 unit vertical in 12 units horizontal 2 percent. When a door starts to sag and hang crooked it always does so from the top so the upper part of the doorknob side is where it will start to catch. R311 4 3 landings at doors.